/Engine/Source/Runtime/MovieSceneTracks/Public/Systems/MovieScenePiecewiseDoubleBlenderSystem.h
class UMovieScenePiecewiseDoubleBlenderSystem : public [UMovieSceneBlenderSystem](API\Runtime\MovieScene\EntitySystem\UMovieSceneBlenderSystem), public [IMovieSceneValueDecomposer](API\Runtime\MovieScene\EntitySystem\IMovieSceneValueDecomposer)